167791 - K68 ESP WARNING LIGHT IN CONTROL PANEL ON

The Brake Node sends a FAULT/INTERVENTION message via the C-CAN network to the Body Computer that makes it available through the Gateway, via the B-CAN network, to the Instrument Panel Node. The latter turns on the warning light and displays a FAULT/INTERVENTION message on the active matrix.
STEPOPERATIONS TO BE CARRIED OUTTEST RESULTS
0PRELIMINARY CHECKALL OKPROBLEMS ENCOUNTEREDACTION
Check that an ESP fault message is not presentMove on to Step Message presentMove on to Step
1CHECK USING DIAGNOSTIC EQUIPMENTALL OKPROBLEMS ENCOUNTEREDACTION
Connect the Examiner diagnostic equipment to the diagnostic connector and check the following at the CAN:

  • no control unit not activated;
  • that there are no faulty control units;
  • no control unit with faulty CAN line;
Move on to Step 1. Fault on CAN network1. Continue following the instructions for the diagnostic equipment
2. Errors on Brake NodeMove on to Step
2CHECK USING DIAGNOSTIC EQUIPMENT ALL OKPROBLEMS ENCOUNTEREDACTION
Keeping the Examiner diagnostic equipment connecte to the diagnostic connector, check the following at the brake node: in error environment

  • no system component errors
  • no warning light error/warning light damaged
Move on to Step 1. System/component anomaly1. Continue following the instructions for the diagnostic equipment
2. Warning light anomaly/warning light damaged Move on to Step
3CHECK USING DIAGNOSTIC EQUIPMENT ALL OKPROBLEMS ENCOUNTEREDACTION
Keeping the Examiner diagnostic equipment connecte to the diagnostic connector, check the following at the brake node: In active diagnosis environment

  • operation of the ESP warning light
Move on to Step warning light does not flash Move on to Step
4CHECK USING DIAGNOSTIC EQUIPMENT ALL OKPROBLEMS ENCOUNTEREDACTION
Keeping the Examiner diagnostic equipment connected to the diagnostic connector, check the following at the instrument panel node: In active diagnosis environment

  • operation of the ESP warning light
Move on to Step warning light does not flash Replace. Instrument Panel     See in Op. 5560B11 ANALOGUE CONTROL PANEL - R.R. or Replace
5CHECK ON CORRECT OPERATIONALL OKPROBLEMS ENCOUNTEREDACTION
Check that the fault is no longer presentFault persists Replace the brake node    See in Op. 3340A12 A.B.S. hydraulic and electronic CONTROL UNIT - R.R. - Includes bleeding air